Sustainably Scaled Electrochemical Synthesis of 3‐Propyladipic Acid in Line with Fluctuating Grid Supply

Author:

Bednarz Roland J.‐R.1ORCID,Jiménez‐Meneses Pilar2ORCID,Gold Annika S.1ORCID,Monllor‐Satoca Damián2ORCID,Stenglein Andreas1,Gómez Roberto2ORCID,Waldvogel Siegfried R.13ORCID

Affiliation:

1. Department of Chemistry Johannes Gutenberg University Duesbergweg 10–14 55128 Mainz Germany

2. Institut Universitari d'Electroquímica i Departament de Química Física Universitat d'Alacant Apartat 99 E-03080 Alicante Spain

3. Institute of Biological and Chemical Systems – Functional Molecular Systems (IBCS-FMS) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany

Abstract

AbstractChemical production is a significant contributor to global climate change, which expedites the growing demand for transitioning to more sustainable and climate‐friendly methodologies. Ideally this should include high compatibility with the fluctuating electricity supply which results from renewable energy sources in the electrical grid. Here we show an electrochemical path for the 3‐propyladipic acid synthesis from 4‐propylcyclohexanol implementing a semi‐technical electrochemical continuously stirred tank reactor. Following a Design of Experiments approach, we found a strong influence of the biphasic electrolyte mixing and the continuous feeding in of the substrate. By switching to an electrolyte recirculation mode and efficient mixing, the isolated product yield could be increased up to 31 % for a 10 L total reaction volume, indicating the potential for further scale‐up into the technical range. This reaction proceeds while forming several by‐products, which have not been fully described yet. A proposal for the formation mechanism is included.

Publisher

Wiley

Subject

Inorganic Chemistry,Organic Chemistry,Physical and Theoretical Chemistry,Catalysis

Reference67 articles.

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